Mastering $slots in Vue.js remains essential for 2026 web development, enabling flexible component composition. This guide demystifies Vue's slot system, from basic usage to advanced named and scoped slots in Vue 3.
Whether building reusable UIs or complex apps, $slots empower dynamic content injection. Follow our steps to implement like a pro.
Step 1: Understanding Default Slots
- 1. Define
in child component. - 2. Pass content from parent:
Content here . - 3. Rendered seamlessly.
Step 2: Named Slots
- ✓1. Use in parent.
- ✓2.
in child. - ✓3. Fallback content option.
Step 3: Scoped Slots
- 1.
in child. - 2. {{ slotProps.item }}.
- 3. Powerful for lists.
Step 4: Dynamic Slot Names
- 1. v-slot:[dynamicName].
- 2. $slots[dynamicName] access.
- 3. Conditional rendering.
Step 5: Best Practices 2026
- Use v-slot shorthand.
- Avoid deep nesting.
- Combine with Teleport.
Common Pitfalls
- ✓Mismatched names.
- ✓Forgotten templates.
- ✓Reactivity issues.
Frequently Asked Questions
What is $slots in Vue?
$slots is a reactive object exposing available slots in the current component, allowing checks like if ($slots.default()).
How do scoped slots pass data?
Child provides props via
Are slots performant in Vue 3?
Yes, optimized with compiler hints for static vs dynamic slots.
Can I use slots with Composition API?
Absolutely, $slots works seamlessly in setup() function.